A quick and dirty script to list all the vms attached to a network ... by datacenter.

vswitch_vm_listing.py

from __future__ import print_function
from pyVim import connect

def list_all_networks_and_vms():
        si = connect.SmartConnect(host='vcsa',
                                  user='root',
                                  pwd='my_password')
        root_folder = si.content.rootFolder
        datacenters = [entity for entity in root_folder.childEntity
                          if hasattr(entity, 'networkFolder')]

        for datacenter in datacenters:
            for network in datacenter.networkFolder.childEntity:
                if hasattr(network, 'vm'):
                    print('datacenter: ', datacenter.name,
                          ' network: ', network.name)
                    for vm in network.vm:
                        print('    ', vm.name)
                elif hasattr(network, 'summary'):
                    print('datacenter: ', datacenter.name,
                          'dvs: ', network.uuid)
                    for vm in network.summary.vm:
                        print('    ', vm.name)
                elif hasattr(network, 'portKeys'):
                    print('datacenter: ', datacenter.name,
                          'portgroup: ', network.key)
                    port_dvs = network.config.distributedVirtualSwitch
                    for vm in port_dvs.summary.vm:
                        print('    ', vm.name)
                        
list_all_networks_and_vms()

TODO: develop into a full sample per: vmware/pyvmomi-community-samples#138